very clean, good condition.
- Made for types TM300/DTM300 monochromator
- 600 grooves/mm
- Ruled diffraction type
- 0.40 um blazed wavelength.
The overall LxWxD is 3.44 x 3.25 x 0.375 inches. the actual grating area is 3.2 x 2.44 inches.
14 day Right of Return.